4068739 has 2 divisors, whose sum is σ = 4068740. Its totient is φ = 4068738.

The previous prime is 4068733. The next prime is 4068749. The reversal of 4068739 is 9378604.

4068739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4068739 - 2³ = 4068731 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4068698 and 4068707.

It is not a weakly prime, because it can be changed into another prime (4068731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034369 + 2034370.

It is an arithmetic number, because the mean of its divisors is an integer number (2034370).

Almost surely, 2^4068739 is an apocalyptic number.

4068739 is a deficient number, since it is larger than the sum of its proper divisors (1).

4068739 is an equidigital number, since it uses as much as digits as its factorization.

4068739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 4068739 is about 2017.1115487251. Note that the first 3 decimals coincide. The cubic root of 4068739 is about 159.6442486549.

The spelling of 4068739 in words is "four million, sixty-eight thousand, seven hundred thirty-nine".